The rotary engine makes a comeback for cars and drones as gasoline gains popularity as a complement to electric motors.

The 1974 Mazda REPU was the world's only mass-produced rotary pickup truck, featuring a 1.3L Wankel engine with 110 hp and ...

Click to open image viewer. This model was submitted to the U.S. Patent Office with the application for the patent issued to Matthias Gabriel, of Newark, NJ, August 6, 1867, no. 67527. The engine ...

Engines are the heart of any vehicle, and over the years, some truly unique powerplants have made their mark, albeit in ...

Have you ever heard of the Silent Knight? It was a unique engine that ditched noisy valves for a weirder, quieter, and more ...

See firsthand how Flis Performance tears apart a four-rotor racing engine to get it ready for the track again.

The funding round is tied to the U.S. Army’s selection of LiquidPiston for the Small Business Innovation Research CATALYST program.

For the 2026 model year, the don’t call it a Toyota Yaris Hybrid, aka the Mazda2 Hybrid, “introduces a range of updates ...

Click to open image viewer. The first successful rotary engine is generally attributed to the American F.O. Farwell in 1896; but the French Gnome, developed by the Seguin brothers, was much more ...

This is what it takes to maintain a 9,000-rpm racing engine.

The Citroën CX was a clever and luxurious car that could never compete in the U.S., stymied by federal regulations and bad ...

The Mazda Millenia, also known as the Eunos 800, Mazda Xedos 9, or even Mazda Eunos 800, was an executive car produced by the ...